<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button style="width: 100px; height: 30px; font-weight: bold; color: brown;" onclick="grenRandom()">有请下一组答辩：</button>
		<h1></h1>
	</body>
</html>
